O. NORDGAARD [1915 



express no definite opinion in the matter, but would neverthe 

 less point ont that the egg capsule of R. macrorhyncus drawn 

 by Dr. Williamson (1. c. pl. III, fig. 7) differs so greatly from the 

 capsule of R. nidrosiensis that I consider the identity as doubtful. 



Petromyzon marinas Lin. 

 A specimen of this species (sea lamprey) was brought in 

 from Fevaag, Skjørn, where it was tåken on the lu /7 1910 among 

 Zostera marina. Total length 6.7 cm. 



Myxine glutinosa Lin. 



On the Vs 1910, dredging at Røberg, at a depth of abt. 150 

 in., we brought up hvo eggs of Myxine, connected by a ribbon. 

 The eggs measured when preserved 21 mm. in length; greatest 

 thickness 6.5 mm. The bottom at plaee of capture was probably 

 rocky. 



Branchiostoma lanceolatum Pall. 



A specimen of this species, 1. 40 mm., was found on the 

 17 /s 1909 in fine sand at Ostervaagen, Hittra, at a depth of 2 — 3 m. 



